JUNE 6, 2026
On June 6, 2026, get ready to join our annual gravel bike ride – with routes spanning 25, 50 and 100 kilometers – and a 5K/3K Fun Run centered in Grinnell, Iowa. Mark your calendars and be sure to sign up for emails for updates on event specifics like food vendors, music and family-friendly activities!
Routes:
The 5K Fun Run at the Prairie Burn 100 offers a fun and healthy activity for the whole family! NEW for 2025 is a shorter 3K Fun Run route. Both routes take participants throughout the Grinnell community to return for our beer garden, live music, and food trucks. Register now and sign up for emails for more info!
FAMILY ACTIVITIES
YOGA IN THE PARK
8:30 A.M. - 9:30 A.M.
Bring your mat and join us at the Central Park amphitheater for an hour of yoga. All ages welcome. No charge.
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FARMER'S MARKET
9:30 A.M – 12 P.M.
With this event laddering up to Grinnell's weekly farmers market, fresh produce, artistic creations and many other items will be available for sale.
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STORYTIME ART IN THE PARK
10:30 A.M. – 12 P.M.
Drake Community Library and the Grinnell College Museum of Art will offer free hands-on art and literacy activities for kids and families with drawing, 2 & 3-D collage projects, beading, truck glittering, painting, bookmaking, type-a-thon, and reading activities. No registration is necessary. Supported by Grinnell Education Partnership & AmeriCorps.
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BEVERAGE GARDEN by Old Fashioned Spirits and Food by Grinnell College Catering
11 A.M. – 3 P.M.
Old Fashioned Spirits will set up shop in Central Park to offer beer and wine, and Grinnell College Catering set up nearby with a variety of food options. Stop by after riding or meet friends at the start/finish line with a drink and grub!
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LIVE MUSIC by Ruari Brownell and band
11:30 A.M. – 2:30 P.M.
Ruari Brownell and his band will entertain at to Central Park to set the ambiance for the afternoon. All are welcome to enjoy free music in the park!
THE START
OF IT ALL
RULES
Important event info and rules. Please read before race day. 5K/3K Fun Run info is at the end.
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1. The PB100 will occur rain or shine! All bike routes will have rain re-routes if needed, while the Fun Run may be a mud run…
2. Have FUN. Food vendors and our Beverage Garden will be open from 11-3.
3. Community comes first, always! Out on the route, do not litter and be discreet with any nature breaks.
4. Helmets are required to ride.
5. Aid Stations will be located at:
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13 KM
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44 KM
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57 KM
6. Know how to fix a flat and/or ride with someone who does. Please have a cell phone and a bailout plan as we’ll have limited ability to pick up riders with mechanicals. Call or text Jennifer Cogley, race director, at 641-990-0216 if you need assistance during the race. There will be a final sweep of the entire course.
7. Obey all traffic laws. The course will be open to vehicle traffic. The 25 and 50 Kilometer route turns will be marked with arrows. All routes will be available as Ride With GPS files, and route maps will be available at signup.
8. Ride Right, especially when cresting a hill! Front & rear blinky lights are a good idea.
9. 100 Kilometer Race results will be verified by the PB100 Race Director Committee.
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Fun Run Information:
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1. The Fun Run course will be clearly marked, and volunteers will be stationed along the course to keep you on track. The route is a mixture of road, paved trail, and gravel trail.
2. The 5K/3K start/finish line is the same one being used for gravel riders. At the start and finish on Park Street, stay in the designated runners’ chute on the EAST side of the road. Cyclists will be directed to the WEST side.
3. If you are walking or running with a stroller, a dog, or a child on a bike please be aware of the runners around you.
FIND
US
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